Home / 48,089.05-72,118.72-18,107.59

Finding the Fourth Proportional to 48,089.05, 72,118.72 and 18,107.59

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Solution

The fourth proportional to 48,089.05, 72,118.72 and 18,107.59 is: 27,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,089.05 : 72,118.72 = 18,107.59 : x
  2. Step 2: Convert to fraction form
    48,089.05/72,118.72 = 18,107.59/x
  3. Step 3: Cross multiply
    48,089.05x = 72,118.72 × 18,107.59
  4. Step 4: Simplify right side
    48,089.05x = 1,305,896,241.02
  5. Step 5: Solve for x
    x = 1,305,896,241.02/48,089.05
  6. Step 6: Final answer
    x = 27,155.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.